<html>
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
</head>
<body>
  <div id="zxst" style="display:none;">
    <img id="img" src="" height="64">
  </div>
  <div>
    这些内容仅供参考，竞赛学习主要靠看书自学。<br>

    <a href="/cpho/7.html">2018-2019系统课</a><br>
    <a href="/cpho/5.html">2018刷题派对</a><br>
    <a href="/cpho/3.html">2018佛脚班</a><br>
    <a href="/cpho/2.html">2018cpho队/竞赛班</a><br>
    <a href="/cpho/14.html">2017cpho队/竞赛班</a><br>
    <a href="/cpho/1.html">2018夏令营</a><br>
    <a href="/cpho/4.html">2018冬令营</a><br>
    <a href="/cpho/0.html">2017夏令营</a><br>
    <a href="/cpho/6.html">2018暑假长期班</a><br>
    <a href="/cpho/8.html">示波器测黑盒子</a><br>
    <a href="/cpho/12.html">30个问题学完高中数学</a><br>
    <a href="/cpho/13.html">30天学完高中物理</a><br>
  </div>
  <div>
   
  </div>
  <div id="alipay" style="display:none;">
    <img id="img1" src="" height="622">
  </div>
  <div>
   
  </div>
  <script> 
    var myDate = new Date();
    var xhr = new XMLHttpRequest();
    xhr.open('GET', '/cpho/data/img');
    xhr.send(null);
    xhr.onreadystatechange = function () {
      if (xhr.status == 200) {
        document.getElementById("img").src=xhr.response;
        document.getElementById("zxst").style.display = "inline";
      }
    };
    var xhr1 = new XMLHttpRequest();
    xhr1.open('GET', '/cpho/data/bgm');
    xhr1.send(null);
    xhr1.onreadystatechange = function () {
      if (xhr1.readyState == 4 && xhr1.status == 200) {
        document.getElementById("bgm").src=xhr1.response;
         //setTimeout("document.getElementById(\"bgm\").play();",1000);
        //document.getElementById("bgm").play();
      }
    };
  </script>

</body>
</html>
